The 400ml Professional Caulking Gun 10-1/2" is designed for heavy-duty use, offering precise and efficient application of sealants. Ideal for both professionals and DIY enthusiasts, it ensures smooth, consistent results on large projects like sealing windows, doors, and cracks with ease.
Features：
Mechanical advantage 26:1.
Black metal trigger.
Black aluminum alloy handle.
For dual cartridges (side by side), ratio 1:1 / 2:1.
